22346666678 has 48 divisors (see below), whose sum is σ = 39798890208. Its totient is φ = 9380448000.

The previous prime is 22346666663. The next prime is 22346666681. The reversal of 22346666678 is 87666664322.

It is a happy number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1432943 + ... + 1448453.

It is an arithmetic number, because the mean of its divisors is an integer number (829143546).

Almost surely, 2^22346666678 is an apocalyptic number.

22346666678 is a deficient number, since it is larger than the sum of its proper divisors (17452223530).

22346666678 is a wasteful number, since it uses less digits than its factorization.

22346666678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15829 (or 15822 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 56.

The spelling of 22346666678 in words is "twenty-two billion, three hundred forty-six million, six hundred sixty-six thousand, six hundred seventy-eight".